refactor(keybindings): reorganize time-zones and kill-buffer-and-window bindings

Move time-zones from C-x c to M-C for easier access. Move
cj/kill-buffer-and-window from M-C to C-; b k to group with other buffer
operations. Updated documentation and which-key labels.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

3 files changed, 7 insertions, 4 deletions

diff --git a/modules/chrono-tools.el b/modules/chrono-tools.el
index 9929bad5..ab3a9890 100644
--- a/modules/chrono-tools.el
+++ b/modules/chrono-tools.el
@@ -18,7 +18,7 @@
 (use-package time-zones
   :defer
   :commands time-zones
-  :bind ("C-x c" . time-zones))
+  :bind ("M-C" . time-zones))
 
 ;; Commented out old world-clock config while testing time-zone package above
 ;; (use-package time
diff --git a/modules/custom-buffer-file.el b/modules/custom-buffer-file.el
index 8825fdd6..b5740cd2 100644
--- a/modules/custom-buffer-file.el
+++ b/modules/custom-buffer-file.el
@@ -16,6 +16,7 @@
 ;; and prints with face/syntax highlighting.
 ;;
 ;; Keybindings under ~C-; b~:
+;; - ~C-; b k~ kill buffer and window (delete window, kill/bury buffer)
 ;; - Copy buffer content submenu at ~C-; b c~
 ;;   - ~C-; b c w~ copy whole buffer
 ;;   - ~C-; b c t~ copy from beginning to point
@@ -337,6 +338,7 @@ Signal an error if the buffer is not visiting a file."
   "c" cj/copy-buffer-content-map
   "n" #'cj/copy-buffer-name
   "l" #'cj/copy-link-to-buffer-file
+  "k" #'cj/kill-buffer-and-window
   "P" #'cj/print-buffer-ps
   "t" #'cj/clear-to-top-of-buffer
   "b" #'cj/clear-to-bottom-of-buffer
@@ -360,6 +362,7 @@ Signal an error if the buffer is not visiting a file."
     "C-; b c t" "copy to top"
     "C-; b n" "copy buffer name"
     "C-; b l" "copy file link"
+    "C-; b k" "kill buffer and window"
     "C-; b P" "print to PS"
     "C-; b t" "clear to top"
     "C-; b b" "clear to bottom"
diff --git a/modules/undead-buffers.el b/modules/undead-buffers.el
index 50c9bb9c..fa09e04a 100644
--- a/modules/undead-buffers.el
+++ b/modules/undead-buffers.el
@@ -2,12 +2,12 @@
 
 ;;; Commentary:
 ;;
-;; This library allows for “burying” selected buffers instead of killing them.
+;; This library allows for "burying" selected buffers instead of killing them.
 ;; Since they won't be killed, I'm calling them "undead buffers".
 ;; The main function cj/kill-buffer-or-bury-alive replaces kill-buffer.
 ;;
 ;; Additional helper commands and key bindings:
-;;  - M-C (=cj/kill-buffer-and-window=): delete this window and bury/kill its buffer.
+;;  - C-; b k (=cj/kill-buffer-and-window=): delete this window and bury/kill its buffer.
 ;;  - M-O (=cj/kill-other-window=): delete the next window and bury/kill its buffer.
 ;;  - M-M (=cj/kill-all-other-buffers-and-windows=): kill or bury all buffers except
 ;;    the current one and delete all other windows.
@@ -65,7 +65,7 @@ ARG is passed to `save-some-buffers'."
 	(unless (one-window-p)
 	  (delete-window))
 	(cj/kill-buffer-or-bury-alive buf)))
-(keymap-global-set "M-C" #'cj/kill-buffer-and-window)
+;; Keybinding moved to custom-buffer-file.el (C-; b k)
 
 (defun cj/kill-other-window ()
   "Delete the next window and kill or bury its buffer."